BMW DTC P2062 – Reductant/Regeneration Supply Control Circuit/Open
DTC P2062 meaning on BMW
DTC P2062 on a BMW indicates a fault with the Reductant/Regeneration Supply Control Circuit being open. This fault code is related to the system that controls the supply of reductant (commonly known as diesel exhaust fluid or DEF) for the selective catalytic reduction (SCR) system in the vehicle.
BMW DTC P2062 symptoms
Symptoms of DTC P2062 on a BMW may include:
- Check Engine Light (MIL) illuminated
- Reduced engine performance
- Increased fuel consumption
- Possible DEF system warning messages
BMW DTC P2062 causes
The common causes of DTC P2062 on a BMW include:
- Open or short circuit in the Reductant/Regeneration Supply Control Circuit
- Defective reductant pump
- Faulty reductant control module
- Issues with the wiring or connectors in the system
BMW DTC P2062 seriousness
DTC P2062 should not be ignored as it can lead to increased emissions, reduced fuel efficiency, and potential damage to the SCR system. It is recommended to address this fault code promptly to ensure proper operation of the vehicle and compliance with emissions regulations.
How to diagnose DTC P2062 on BMW
To diagnose DTC P2062 on a BMW, a mechanic would typically perform the following steps:
- Use a diagnostic scan tool to retrieve the fault code and related data
- Inspect the Reductant/Regeneration Supply Control Circuit for any visible damage or loose connections
- Test the reductant pump and control module for proper operation
- Check the wiring harness and connectors for continuity and proper voltage
How to fix DTC P2062 on BMW
To fix DTC P2062 on a BMW, the following steps may be taken:
- Repair any damaged wiring or connectors in the Reductant/Regeneration Supply Control Circuit
- Replace the reductant pump if it is found to be faulty
- Replace the reductant control module if necessary
- Clear the fault code and perform a test drive to ensure the issue has been resolved
How to erase DTC P2062 on BMW
To erase DTC P2062 on a BMW, the fault code can be cleared using a diagnostic scan tool. After the necessary repairs have been made to address the underlying issue, the fault code can be cleared to reset the Check Engine Light and ensure that the system is functioning properly.
Recommended tools & DTC Scanners for BMW
Best Diagnostic App for modern BMWs: BimmerLink
Recommended Bluetooth adapter for Bimmerlink: OBDLink CX
Cable adapter for Bimmerlink: Enet Cable USB Type C
For older BMWs we recommend: Autel AutoLink AL319 (2024 version)
Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter
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